Finding the Fourth Proportional to 11,680.08, 16,122.42 and 7,201.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,680.08 : 16,122.42 = 7,201.86 : x
2. Step 2: Convert to fraction form
   11,680.08/16,122.42 = 7,201.86/x
3. Step 3: Cross multiply
   11,680.08x = 16,122.42 × 7,201.86
4. Step 4: Simplify right side
   11,680.08x = 116,111,411.70
5. Step 5: Solve for x
   x = 116,111,411.70/11,680.08
6. Step 6: Final answer
   x = 9,940.98